<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索添加区域 -->
      <el-row :gutter="20">
        <el-col :span="9">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="dialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>

      <!-- 用户列表区域 -->
      <el-table :data="userlist" border stripe>
        <el-table-column label="#" type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" prop="mg_state">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userstatechange(scope.row)"
            ></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="200px">
          <template slot-scope="scope">
            <el-button
              type="success"
              icon="el-icon-edit"
              size="mini"
              @click="showeditdialog(scope.row.id)"
            ></el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <el-tooltip
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setrole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>

    <!-- 添加用户对话框 -->
    <el-dialog
      title="提示"
      :visible.sync="dialogVisible"
      width="50%"
      @close="dialogclose"
    >
      <el-form
        :model="addForm"
        label-width="70px"
        ref="addFormRef"
        :rules="addFormRules"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户的对话框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editdialogVisible"
      width="50%"
      @close="editdialogclose"
    >
      <el-form
        ref="editFormRef"
        :model="editForm"
        label-width="70px"
        :rules="editFormRules"
      >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <!-- 邮箱 -->
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <!-- 手机号 -->
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editdialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配角色对话框 -->
    <el-dialog @close='setroleclose' title="分配角色" :visible.sync="setroleVisible" width="50%">
      <div>
        <p>当前用户:{{ userinfo.username }}</p>
        <p>当前角色:{{ userinfo.role_name }}</p>
        <p>
          分配角色:
          <el-select v-model="selectroleid" placeholder="请选择">
            <el-option
              v-for="item in roleslist"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            >
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setroleVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveuserinfo"
          >确 定</el-button
        >
      </span>
    </el-dialog>
  </div>
</template>
<style lang="less" scoped>
.el-card {
  box-shadow: 0 1px 1px rgb(194, 193, 193) !important;
}
</style>

<script>
export default {
  data() {
    //校验邮箱规则
    var checkEmail = (rule, value, cb) => {
      const regemail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

      if (regemail.test(value)) {
        //合法邮箱
        return cb()
      }
      cb(new Error('请输入合法邮箱'))
    }
    var checkMobile = (rule, value, cb) => {
      const regmobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if (regmobile.test(value)) {
        return cb()
      }
      cb(new Error('请输入合法手机号'))
    }
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 2,
      },
      setroleVisible: false,
      userlist: [],
      total: 0,
      dialogVisible: false,
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: '',
      },
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 5,
            message: '用户名长度在3-10个字符之间',
            trigger: 'blur',
          },
        ],

        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '密码长度在6-15个字符之间',
            trigger: 'blur',
          },
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' },
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' },
        ],
      },
      //控制修改对话框的显示与隐藏
      editdialogVisible: false,
      editForm: {
        username: '',
        email: '',
        mobile: '',
      },
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' },
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' },
        ],
      },
      // 需要被分配角色的用户信息
      userinfo: {},
      // 所有数据角色列表
      roleslist: [],
      selectroleid:''
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo,
      })
      if (res.meta.status != 200) return this.$message.error('数据获取失败')
      this.userlist = res.data.users
      this.total = res.data.total
    },
    dialogclose() {
      this.$refs.addFormRef.resetFields()
    },
    editdialogclose() {
      this.$refs.editFormRef.resetFields()
    },
    handleSizeChange(newSize) {
      // console.log(newSize);
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    async userstatechange(userinfo) {
      // console.log(userinfo);
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      )
      // console.log(res);
      if (res.meta.status != 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新状态失败')
      }
      this.$message.success('更新成功')
    },
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) return
        //可以发起用户的网络请求
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status != 201) {
          return this.$message.error('添加失败')
        }
        this.$message.success('添加成功')
        //隐藏添加用户的对话框
        this.dialogVisible = false
        this.getUserList()
      })
    },
    async showeditdialog(id) {
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status != 200) return this.$message.error('查询信息失败')
      //  this.$message.success('查询信息成功')
      this.editForm = res.data
      this.editdialogVisible = true
    },
    editUser() {
      this.$refs.editFormRef.validate(async (valid) => {
        if (!valid) return
        // 发起修改用户信息数据请求
        const { data: res } = await this.$http.put(
          'users/' + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile,
          }
        )
        if (res.meta.status != 200) return this.$message.error('修改失败')
        this.editdialogVisible = false
        this.getUserList()
        this.$message.success('更新成功')
      })
    },
    //删除用户信息
    async removeUserById(id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
        }
      ).catch((err) => err)
      if (confirmResult != 'confirm') {
        return this.$message.info('已经取消删除')
      }
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status != 200) return this.$message.error('删除失败')
      this.$message.success('删除用户成功')
      this.getUserList()
    },
    // 分配角色
    async setrole(userinfo) {
      this.userinfo = userinfo

      // 在展示对话框前展示角色列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status != 200) return this.$message.error('请求失败')

      this.roleslist = res.data
      this.setroleVisible = true
    },
    async saveuserinfo(){
      if(!this.selectroleid) return this.$message.error('请选择要分配的角色')

     const {data:res} = await this.$http.put(`users/${this.userinfo.id}/role`,{
        rid:this.selectroleid
      })
        if(res.meta.status !=200) return this.$message.error('更新失败')
        this.$message.success('成功更新')
        this.getUserList()
        this.setroleVisible = false
    }  ,
    setroleclose(){
      this.selectroleid=''
      this.userinfo = {}
    }
  },
}
</script>
